#1C5D84#1C5D84

#1C5D84 is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.7% C 0.090 H 239.9°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#1C5D84
RGB	rgb(28, 93, 132)
HSL	hsl(203, 65%, 31%)
HSV	hsv(203, 79%, 52%)
CMYK	cmyk(78.8%, 29.5%, 0%, 48.2%)
CIE-LAB	lab(37.37, -5.96, -27.53)
CIE-LCH	lch(37.37, 28.17, 257.77°)
OKLab	oklab(45.71% -0.0452 -0.0778)
OKLCH	oklch(45.71% 0.09 239.9)
XYZ	xyz(8.5565, 9.7405, 23.2545)
Luminance	0.0974 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5D84 #84431C

analogous

#1C8477 #1C5D84 #1C2984

triadic

#1C5D84 #841C5D #5D841C

tetradic

#1C5D84 #771C84 #84431C #29841C

square

#1C5D84 #771C84 #84431C #29841C

split-complementary

#1C5D84 #841C29 #84771C

monochromatic

#07161F #113952 #1C5D84 #2781B6 #43A0D7

Accessibility & contrast

On white

7.12

#1C5D84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#1C5D84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5D84

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5D84	#FFFFFF	#000000	##FFFFFF
##1C5D84	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5D86

Deuteranopia (green-blind)

#3C5483

Tritanopia (blue-blind)

#00676B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1c5d84;
/* rgb */ color: rgb(28, 93, 132);
/* oklch */ color: oklch(45.7% 0.090 239.9);

Tailwind

colors: {
  custom: {
    50: '#698aa8',
    500: '#1c5d84',
    950: '#000000',
  },
}

SCSS

$custom: #1c5d84;
$custom-light: #698aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5d84",
  "rgb": {
    "r": 28,
    "g": 93,
    "b": 132
  },
  "hsl": {
    "h": 202.5,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.45711,
    "c": 0.09002,
    "h": 239.9
  },
  "luminance": 0.09742
}

Semantic roles & 50–950 ramp

primary

#1C5D84

secondary

#B77045

accent

#7F40E8

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1C5D84

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →